1350277640 has 16 divisors (see below), whose sum is σ = 3038124780. Its totient is φ = 540111040.

The previous prime is 1350277609. The next prime is 1350277681. The reversal of 1350277640 is 467720531.

It can be written as a sum of positive squares in 2 ways, for example, as 1219266724 + 131010916 = 34918^2 + 11446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1350277640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16878431 + ... + 16878510.

Almost surely, 2^1350277640 is an apocalyptic number.

1350277640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350277640 is an abundant number, since it is smaller than the sum of its proper divisors (1687847140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1350277640 is a wasteful number, since it uses less digits than its factorization.

1350277640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33756952 (or 33756948 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1350277640 is about 36746.1241493576. The cubic root of 1350277640 is about 1105.2852099177.

The spelling of 1350277640 in words is "one billion, three hundred fifty million, two hundred seventy-seven thousand, six hundred forty".